Milly Alcock

Known for: Acting

Born: 2000-04-11 (age 26)

From: Sydney, New South Wales, Australia

Amelia May Alcock (born 11 April 2000) is an Australian actress. She received an AACTA Award nomination for her performance in the Foxtel comedy-drama Upright (2019–2022). She gained wider recognition for starring as young Rhaenyra Targaryen in the HBO fantasy series House of the Dragon (2022–2024), for which she was nominated for a Critics' Choice Award. Alcock is best known for portraying Kara Zor-El / Supergirl in the DC Universe, first making an uncredited appearance in Superman (2025). She reprised the role starring in Supergirl (2026).

Filmography (26)

MOVIE
Man of Tomorrow
2027
as Supergirl
MOVIE★ 6.7
Supergirl
2026
as Supergirl
MOVIE
Based Amy
2025
MOVIE★ 7.3
Superman
2025
as Supergirl (uncredited)
TV★ 6.6
Sirens
2025
as Simone DeWitt
TV★ 8.0
DC Studios Showcase: The Official Podcast
2024
as Self
TV★ 7.0
The House That Dragons Built
2024
as Self
TV★ 8.4
House of the Dragon
2022
as Young Rhaenyra Targaryen
TV★ 5.5
Last Meals
2021
as Self
MOVIE
Furlough
2020
as Ella
MOVIE★ 6.5
The Familiars
2020
as Alison
TV★ 6.3
The Gloaming
2020
as Jenny McGinty
TV★ 8.1
Upright
2019
as Meg Adams
TV★ 6.5
Reckoning
2019
as Sam Serrato
TV★ 8.4
Les Norton
2019
as Sian Galese
TV★ 6.7
Fighting Season
2018
as Maya Nordenfelt
TV★ 6.7
Pine Gap
2018
as Marissa Campbell
MOVIE★ 4.7
The School
2018
as Jien
TV★ 6.0
High Life
2017
as Isabella Barrett
TV★ 6.9
Janet King
2014
as Cindi Jackson
TV★ 5.8
The Tonight Show Starring Jimmy Fallon
2014
as Self - Guest
TV★ 5.6
Wonderland
2013
as Teen Girl 1
TV★ 7.4
A Place to Call Home
2013
as Emma Carvolth
MOVIE
Thumb
—
MOVIE
Hot Mother
—
MOVIE
Untitled Kyoto Project
—
as Ella